TY  - JOUR 
T1  - Correlation between cup-to-disc ratio and cup/retrobulbar optic nerve diameter proportion assessed by high-resolution ultrasound in glaucomatous eyes
JO  - Arquivos Brasileiros de Oftalmologia
A1  - Queiroz, Wilian Silva
A1  - Lucena, Daniel da Rocha
A1  - Ferreira, Juliana de Lucena Martins
A1  - Rodrigues, Maria de Lourdes Veronese
A1  - Paula, Jayter Silva
SN  - 0004-2749
UL  - 10.1590/S0004-27492013000500004
VL  - 76 
Y1  - 2013
PB  - Brasil 
ER  -